Possibly, but the problem with a one off question like that is it's about as nuanced as a brick in the balls and doesn't take into account the scope of what multiculturalism actually represents.
It's a constantly evolving topic too, so all a one off question like that is going to give you is a snapshot of a particular point in time, not a properly representative view. But it generates a snappy "Multiculturalism blasted by new BBC poll: shocking data reveals the truth" style headline which, once you get past it, usually turns out to be bullshi!t.